Amprobe DMIII-Multitest Power-Quality-Recorder - Manual (Page 78)

AMPROBE
DMIII MULTITEST
EN-76
14. TECHNICAL SPECIFICATIONS
14.1. TECHNICAL FEATURES
Accuracy is indicated as [% of reading + number of digits]. It refers to the following
atmospheric conditions: a temperature of 23°C ± 5°C with a relative humidity < 60%.
14.1.1. Safety Test functions
 LOW

: 200mA CONTINUITY TEST (AUTO, RT+, RT- MODE)
Range [

] Resolution [

] Accuracy(*)
0.01

9.99
10.0  99.9
0.01
0.1

(2% Reading + 2 digit)
(*) After Test leads calibration
Test Current
> 200mA DC per R  5  (Test leads included)
Resolution for Test current: 1mA
Open Circuit Voltage 4V  V0  24V
 INSULATION TEST
Test Voltage [V] Range [M

] Resolution [M

] Accuracy
50
0.01  9.99 0.01
 (2% Reading + 2 digit)
10.0  49.9 0.1
50.0  99.9 0.1  (5% Reading + 2 digit)
100
0.01  9.99 0.01
 (2% Reading + 2 digit)
10.0  99.9 0.1
100.0  199.9 0.1  (5% Reading + 2 digit)
250
0.01  9.99 0.01
 (2% Reading + 2 digit) 10.0  199.9 0.1
200  249 1
250  499 1  (5% Reading + 2 digit)
500
0.01  9.99 0.01
 (2% Reading + 2 digit) 10.0  199.9 0.1
200  499 1
500  999 1  (5% Reading + 2 digit)
1000
0.01  9.99 0.01
 (2% Reading + 2 digit) 10.0  199.9 0.1
200  999 1
1000  1999 1  (5% Reading + 2 digit)
Open circuit Test Voltage <1.3 x Nominal Test Voltage
Short Circuit Current <6.0mA with 500V Test Voltage
Nominal Test Current 500V >2.2mA with 230k 
other >1mA with 1k  *Vnom
 FREQUENCY MEASUREMENT
Range [Hz] Resolution [Hz] Accuracy
47.0

63.6 0.1 
(0.1%Reading+1 digit)
RCD and LOOP function are active only for 50Hz  0,5Hz frequency
 PHASE ROTATION : VOLTAGE MEASUREMENT
Range [V] Resolution [V] Accuracy
0

460V 1 
(3%Reading + 2digit)
 GROUND TEST: RESISTANCE MEASUREMENT WITH EARTH RODS
Range RE [  ] Resolution [  ] Accuracy
0.01 – 19.99
20.0 – 199.9
200 - 1999
0.01
0.1
1
 (5% Reading + 3 digit)
Test Current <10mA – 77.5Hz
Open circuit Test Voltage <20V RMS
 GROUND TEST: RESISTIVITY MEASUREMENT
Range  Resolution Accuracy
0.60

19.99

m
20.0

199.9

m
200

1999

m
2.00

99.99k

m
100.0

125.6k

m(*)
0.01

m
0.1

m
1

m
0.01 k

m
0.1 k

m

(5% Reading + 3 digit)
(*) setting distance = 10m
Test Current
<10mA – 77.5Hz
Open circuit Test Voltage <20V RMS